Katsuto Nagano
32Patents
10h-index
26Co-inventors
75Inventor score
Filing activity: Jan 18, 1978 → Mar 24, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5810923A | Method for forming oxide thin film and the treatment of silicon substrate | Electricity | 173 | Expired |
| US5643804A | Method of manufacturing a hybrid integrated circuit component having a laminated body | Emerging Cross-Sectional Technologies | 91 | Expired |
| US5877533A | Hybrid integrated circuit component | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5985404A | Recording medium, method of making, and information processing apparatus | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6410960B1 | Hybrid integrated circuit component | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4194108A | Thermal printing head and method of making same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6597108B2 | Multi-color el panel comprising phosphor thin films with europium as luminescent center | Electricity | 16 | Expired |
| US6891329B2 | EL device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5760536A | Cold cathode electron source element with conductive particles embedded in a base | Electricity | 13 | Expired |
| US6797413B2 | Composite substrate and EL device using the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6184913A | Thermal head and method of manufacturing the same | Performing Operations; Transporting | 8 | Expired |
| US6723192B2 | Process for producing a thin film EL device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4367395A | Thermal pen tip | Physics | 7 | Expired |
| US6650046B2 | Thin-film EL device, and its fabrication process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7011896B2 | Phosphor thin film, preparation method, and EL panel | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6407764B1 | Thermal head and method of manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6577059B2 | Thin-film EL device, and its fabrication process | Electricity | 6 | Expired |
| US6614460B2 | Thermal head and method of manufacturing the same | Performing Operations; Transporting | 5 | Expired |
| US6734469B2 | EL phosphor laminate thin film and EL device | Electricity | 5 | Expired |
| US6428914B2 | Composite substrate, thin-film electroluminescent device using the substrate, and production process for the device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6793962B2 | EL phosphor multilayer thin film and EL device | Electricity | 5 | Expired |
| US6803122B2 | EL device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6699596B2 | Phosphor thin film, preparation method, and EL panel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6800322B2 | Method of making a composite substrate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4293370A | Method for the epitaxial growth of boron phosphorous semiconductors | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.